Beijing Air Pollution Reaches Dangerous Level

Beijing Air Pollution Reaches Dangerous Level

Beijing Air Pollution Reaches Dangerous Level

Feng Li

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Beijing Air Pollution Reaches Dangerous Level

Feng Li

A Chinese policeman guards under the Tiananmen Gate during dangerous levels of air pollution on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

A Chinese policeman guards under the Tiananmen Gate during dangerous levels of air pollution on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Beijing Air Pollution Reaches Dangerous Level

Lintao Zhang

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing Air Pollution Reaches Dangerous Level

Lintao Zhang

Beijing residents wearing masks walk in front of a fog-shrouded National Stadium as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing residents wearing masks walk in front of a fog-shrouded National Stadium as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing Air Pollution Reaches Dangerous Level

Lintao Zhang

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing Air Pollution Reaches Dangerous Level

Lintao Zhang

A man wearing a mask walks through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

A man wearing a mask walks through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing Air Pollution Reaches Dangerous Level

Lintao Zhang

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing residents wearing masks walk through fog as severe pollution continues to affect the capital on January 29, 2013 in Beijing, China. China's ruling Communist party has announced temporary emergency measures in an attempt to combat the current hazardous levels of pollution enveloping Beijing.

Beijing Air Pollution Reaches Dangerous Level

Feng Li

A Chinese paramilitary police officer passes through Changan Avenue during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

A Chinese paramilitary police officer passes through Changan Avenue during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Beijing Air Pollution Reaches Dangerous Level

Feng Li

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Beijing Air Pollution Reaches Dangerous Level

Feng Li

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.

Chinese paramilitary police officers march during the flag-raising ceremony with severe pollution at Tiananmen Square on January 29, 2013 in Beijing, China. The 4th dense fog envelops Beijing with pollution at hazardous levels in January.